HP Dc5700 HP Compaq dc5700 Business PC Service Reference Guide, 1st Edition - Page 159

Screen Message, Probable Cause, Recommended Action, Run Computer Setup and diagnostic

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POST Error Messages POST Error Messages (Continued) Screen Message Network Server Mode Active and No Keyboard Attached Probable Cause Keyboard failure while Network Server Mode enabled. Parity Check 2 System will not boot without fan. Parity RAM failure. CPU fan not installed or disconnected in VSFF chassis. Recommended Action 1. Reconnect keyboard with computer turned off. 2. Check connector for bent or missing pins. 3. Ensure that none of the keys are depressed. 4. Replace keyboard. Run Computer Setup and diagnostic utilities. 1. Remove the computer cover, press the power button, and see if the processor fan spins. If not spinning, make sure the fan cable is plugged onto the system board header. Ensure the heatsink is properly seated and installed. 2. If the fan is plugged in and the heatsink is properly seated but the fan does not spin, then replace the heatsink-fan assembly. Service Reference Guide, dc5700 437804-001 C-7

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Service Reference Guide, dc5700
437804-001
C–7
POST Error Messages
Network Server Mode
Active and No
Keyboard Attached
Keyboard failure while
Network Server Mode
enabled.
1. Reconnect keyboard with computer
turned off.
2. Check connector for bent or missing
pins.
3. Ensure that none of the keys are
depressed.
4. Replace keyboard.
Parity Check 2
Parity RAM failure.
Run Computer Setup and diagnostic
utilities.
System will not boot
without fan.
CPU fan not installed or
disconnected in VSFF
chassis.
1. Remove the computer cover, press
the power button, and see if the
processor fan spins. If not spinning,
make sure the fan cable is plugged
onto the system board header.
Ensure the heatsink is properly
seated and installed.
2. If the fan is plugged in and the
heatsink is properly seated but the
fan does not spin, then replace the
heatsink-fan assembly.
POST Error Messages
(Continued)
Screen Message
Probable Cause
Recommended Action